Home / 250,812.28-346,125.18-137,645.56

Finding the Fourth Proportional to 250,812.28, 346,125.18 and 137,645.56

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Solution

The fourth proportional to 250,812.28, 346,125.18 and 137,645.56 is: 189,953.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,812.28 : 346,125.18 = 137,645.56 : x
  2. Step 2: Convert to fraction form
    250,812.28/346,125.18 = 137,645.56/x
  3. Step 3: Cross multiply
    250,812.28x = 346,125.18 × 137,645.56
  4. Step 4: Simplify right side
    250,812.28x = 47,642,594,231.20
  5. Step 5: Solve for x
    x = 47,642,594,231.20/250,812.28
  6. Step 6: Final answer
    x = 189,953.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.